639869760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2446

約数の個数: 224

約数和(自身を含む): 2331110400

約数和(自身を除く): 1691240640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1984, 2160, 2232, 2389, 2480, 2790, 2880, 2976, 3348, 3720, 4185, 4320, 4464, 4778, 4960, 5580, 5952, 6696, 7167, 7440, 8370, 8640, 8928, 9556, 9920, 11160, 11945, 13392, 14334, 14880, 16740, 17856, 19112, 21501, 22320, 23890, 26784, 28668, 29760, 33480, 35835, 38224, 43002, 44640, 47780, 53568, 57336, 64503, 66960, 71670, 74059, 76448, 86004, 89280, 95560, 107505, 114672, 129006, 133920, 143340, 148118, 152896, 172008, 191120, 215010, 222177, 229344, 258012, 267840, 286680, 296236, 322515, 344016, 370295, 382240, 430020, 444354, 458688, 516024, 573360, 592472, 645030, 666531, 688032, 740590, 764480, 860040, 888708, 1032048, 1110885, 1146720, 1184944, 1290060, 1333062, 1376064, 1481180, 1720080, 1777416, 1999593, 2064096, 2221770, 2293440, 2369888, 2580120, 2666124, 2962360, 3332655, 3440160, 3554832, 3999186, 4128192, 4443540, 4739776, 5160240, 5332248, 5924720, 6665310, 6880320, 7109664, 7998372, 8887080, 9997965, 10320480, 10664496, 11849440, 13330620, 14219328, 15996744, 17774160, 19995930, 20640960, 21328992, 23698880, 26661240, 31993488, 35548320, 39991860, 42657984, 53322480, 63986976, 71096640, 79983720, 106644960, 127973952, 159967440, 213289920, 319934880, 639869760]

約数ペア:

[(1, 639869760), (2, 319934880), (3, 213289920), (4, 159967440), (5, 127973952), (6, 106644960), (8, 79983720), (9, 71096640), (10, 63986976), (12, 53322480), (15, 42657984), (16, 39991860), (18, 35548320), (20, 31993488), (24, 26661240), (27, 23698880), (30, 21328992), (31, 20640960), (32, 19995930), (36, 17774160), (40, 15996744), (45, 14219328), (48, 13330620), (54, 11849440), (60, 10664496), (62, 10320480), (64, 9997965), (72, 8887080), (80, 7998372), (90, 7109664), (93, 6880320), (96, 6665310), (108, 5924720), (120, 5332248), (124, 5160240), (135, 4739776), (144, 4443540), (155, 4128192), (160, 3999186), (180, 3554832), (186, 3440160), (192, 3332655), (216, 2962360), (240, 2666124), (248, 2580120), (270, 2369888), (279, 2293440), (288, 2221770), (310, 2064096), (320, 1999593), (360, 1777416), (372, 1720080), (432, 1481180), (465, 1376064), (480, 1333062), (496, 1290060), (540, 1184944), (558, 1146720), (576, 1110885), (620, 1032048), (720, 888708), (744, 860040), (837, 764480), (864, 740590), (930, 688032), (960, 666531), (992, 645030), (1080, 592472), (1116, 573360), (1240, 516024), (1395, 458688), (1440, 444354), (1488, 430020), (1674, 382240), (1728, 370295), (1860, 344016), (1984, 322515), (2160, 296236), (2232, 286680), (2389, 267840), (2480, 258012), (2790, 229344), (2880, 222177), (2976, 215010), (3348, 191120), (3720, 172008), (4185, 152896), (4320, 148118), (4464, 143340), (4778, 133920), (4960, 129006), (5580, 114672), (5952, 107505), (6696, 95560), (7167, 89280), (7440, 86004), (8370, 76448), (8640, 74059), (8928, 71670), (9556, 66960), (9920, 64503), (11160, 57336), (11945, 53568), (13392, 47780), (14334, 44640), (14880, 43002), (16740, 38224), (17856, 35835), (19112, 33480), (21501, 29760), (22320, 28668), (23890, 26784)]